26.2 miles not challenging enough for you? Here's ten of the toughest ultramarathons in the ...

By Mackenzie Lobby

Inadequate caloric intake is a common problem among women runners, which leads to nutrient d...

By Jason R. Karp, Ph.D.

Make your favorite runner run for joy with the 2014 holiday gift guide for runners.

By Jason R. Karp, Ph.D.

You may want to run on the trails this winter just for the shoes after you check out the lat...

By Mackenzie Lobby

Get geared up and hit the trails with all the latest apparel and accessories. These performa...

By Mackenzie Lobby

Runners who want to get faster are often intimidated by intervals on the track. Do these fun...

By Jason R. Karp, Ph.D.

The Olympic Development Program is the most traveled path to the top of the soccer world. Le...

By Active.com

Looking to get those 6-pack abs? Tired of the same old core routines? From easy exercises fo...

By Robert J. Duncan

Spice up your winter training with the ultimate treadmill interval plan. Not only will you g...

By Fara Rosenzweig

Most road cyclists can come up with a quick list of reasons why mountain biking isn't an opt...

By Marc Lindsay